David Arquette: We Haven't Had Sex in Months  —  David Arquette just called in to the Howard Stern Show — explaining EVERYTHING about why he and Courteney Cox agreed to take a “trial separation” ... noting that they haven't had sex in 4 months.  —  Arquette explained that he and Courteney …

Christina Aguilera Splits From Husband  —  And though Aguilera and Bratman — who met in 2002 (he was a producer on one of her albums) and wed in 2005 — have not yet decided whether to divorce, the source reveals, “they are now living apart, and they will see how that goes.”  —  What went wrong?

Jim Carrey Rebounds and Scores ... with Hot Brunette  —  Jim Carrey cracked the biggest smile on the planet at a rooftop party in NYC this past Saturday — and we're guessing it had a lot to do with that smoking hot brunette in his arms.  —  It's been 6 months since Jim called it quits …

The Situation Storms Off DWTS Set Over Bad Scores  —  A sad Situation.  —  After scoring the lowest on Monday's Dancing With the Stars, Mike Sorrentino was later spotted sulking in the parking lot, smoking a cigarette and shaking his head while a friend tried to console him.

VIDEO: Eric Stoltz as the original Marty McFly  —  Never-before-seen clip of the first ‘Back to the Future’ star  —  Everyone knows the classic 1985 film “Back to the Future” featured a boyish Michael J. Fox in a winning performance as Marty McFly.  —  But Fox was not the original McFly.

Who Was Worse: The Situation or Bristol Palin?  —  The two most talked-about celebs on ‘Dancing With the Stars’ had rrrrrrough nights on Monday, with Mike “The Situation” Sorrentino displaying some un-fancy footwork during a tango and Bristol Palin gyrating sexily to a rumba with her parents watching in [horror] delight.

Watch Lady Gaga on ‘The Sopranos’ — Age 15!  —  Check out this clip of Lady Gaga in an episode of The Sopranos from almost a decade ago!  —  Gaga, a.k.a. Stefani Germanotta, 24, was featured in the hit HBO show's ninth episode during season three titled “The Telltale Moozadell.”

Hot Slut Of The Day!  —  Dianne Rochenski, the Rat Mom of Manhattan!  —  Some hos do the Spider-Man ceiling cling whenever they see a rat, but Dianne Rochenski explodes into a hurricane of maternal love and showers the rat with kisses and hugs.  Dianne's two pet domesticated rats …

Andy Richter Joins Conan On His TBS Show  —  Conan O'Brian's long-time side kick Andy Richter will join him on O'Brien's upcoming late-night talk show on TBS Conan, which premieres on November 8.  Richter rose to fame on Late Night with Conan O'Brien on NBC where he spent 7 years before leaving in 2000 to pursue acting career.

Laura Dern/Ben Harper Divorce Docs  —  TMZ has obtained a copy of the divorce documents Ben Harper filed Friday, asking for a divorce from Laura Dern.  —  As we first reported, Ben claims he's been separated from Laura since January.  Now we know the specific date — Harper claims the date of separation is New Year's Day.

‘Celebrity Apprentice’ exclusive: La Toya Jackson, Mark McGrath, and Star Jones in next cast  —  While the current (non-celebrity) edition of The Apprentice plays out to record low ratings, fans of absurdity and stars being forced into awesomely ridiculous scenarios can rejoice in the fact …

The rapper tries his hand at flipping homes for ‘The Vanilla Ice Project’ on the DIY Network  —  Vanilla Ice was once a punch line for bad rap jokes.  —  These days, the rapper, who in 1990 had the hit “Ice Ice Baby,” is laughing all the way to the bank.  —  And he's doing so by dropping hot words …

Taylor Swift Apologizes to Ex-Boyfriend Taylor Lautner Through New Song  —  Remember when Taylor Swift and Taylor Lautner were first spotted together?  It didn't take long before the blonde country cutie and the handsome, jacked-up werewolf became Hollywood's newest it couple.

Brad Pitt Roars Up to Angelina's Door After Losing His Way  —  Brad Pitt arrived at the place Angelina Jolie is renting in Budapest yesterday, after taking a wrong turn and ending up at a different house!  Angelina is making her directorial debut in Hungary, and Brad brought the twins to join …

Handler to have an ‘After’ party at E!  —  Talkshow host to star in half-hour laffer for net  —  Chelsea Handler is having an “After” party at E!  —  Handler, the network's popular latenight talkshow host, will star in “After Lately,” a half-hour comedy that will examine the backstage goings-on at her E! …

‘Hawaii Five-O’ is dubbed most DVR'd show ever  —  CBS's premiere of its reconstituted cop show “Hawaii Five-O” — starring Alex (Third Time's a Charm) O'Loughlin — is officially the most DVR'd show of all time.  —  Nielsen released ratings Monday for the first week of the 2010-11 TV season …